package com.company.eduorder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.company.eduorder.entity.Order;
import com.company.eduorder.entity.PayLog;
import com.company.eduorder.mapper.PayLogMapper;
import com.company.eduorder.service.OrderService;
import com.company.eduorder.service.PayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.company.eduorder.utils.HttpClient;
import com.company.servicebase.constant.OrderConstant;
import com.company.servicebase.exception.MyException;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author testjava
 * @since 2020-04-23
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Resource
    private OrderService orderService;

    @Override
    public Map createNative(String id) {
        try {
            //1 根据订单号查询订单信息
            Order order = orderService.getById(id);

            //2 使用map设置生成二维码需要参数
            Map m = new HashMap();
            m.put("appid","wx74862e0dfcf69954");  //自定义
            m.put("mch_id", "1558950191");
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("body", order.getCourseTitle()); //课程标题
            m.put("out_trade_no", id); //订单号
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
            m.put("spbill_create_ip", "127.0.0.1");  //正在进行支付的IP地址，例子：baidu,com
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");     //成功回调地址
            m.put("trade_type", "NATIVE");

            //3 发送httpclient请求，传递参数xml格式，微信支付提供的固定的地址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //设置xml格式的参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));  //商务key加密
            client.setHttps(true);
            //执行post请求发送
            client.post();

            //4 得到发送请求返回结果
            //返回内容，是使用xml格式返回
            String xml = client.getContent();

            //把xml格式转换map集合，把map集合返回
            Map<String,String> resultMap = WXPayUtil.xmlToMap(xml);

            //最终返回数据 的封装
            Map map = new HashMap();
            map.put("out_trade_no", id);
            map.put("course_id", order.getCourseId());
            map.put("total_fee", order.getTotalFee());
            map.put("result_code", resultMap.get("result_code"));  //返回二维码操作状态码
            map.put("code_url", resultMap.get("code_url"));        //二维码地址

            return map;
        }catch(Exception e) {
            throw new MyException(20001,"生成二维码失败");
        }
    }

    @Override
    @Transactional
    public Map<String, String> queryPayStatus(String id) {
        try {
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", id);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

            //2 发送httpclient
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();

            //3 得到请求返回内容
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            //6、转成Map再返回
            if(resultMap == null) {
                throw new MyException(20001, "查看订单状态异常！");
            }
            return resultMap;
        }catch(Exception e) {
            throw new MyException(20001, "查看订单状态异常！");
        }
    }

    @Override
    @Transactional
    public void updateOrderStatus(Map<String, String> map) {
        String id = map.get("out_trade_no");  //得到订单号
        Integer status = orderService.getById(id).getStatus();

        if (status == OrderConstant.orderStatusConstant.CREATED.getCode()) {
            Order order = new Order();
            order.setId(id);
            order.setStatus(OrderConstant.orderStatusConstant.FINISH.getCode());
            orderService.update(order, null);

            PayLog payLog = new PayLog();
            payLog.setId(id);
            payLog.setPayTime(new Date());
            payLog.setPayType(OrderConstant.orderPayConstant.WX.getCode());
            payLog.setTotalFee(order.getTotalFee());

            payLog.setTradeState(map.get("trade_state"));  //支付状态
            payLog.setTransactionId(map.get("transaction_id"));  //流水号
            payLog.setAttr(JSONObject.toJSONString(map));  //其他属性
            this.save(payLog);
        } else {
            return;
        }


    }

}
